80331909 has 8 divisors (see below), whose sum is σ = 122410560. Its totient is φ = 45903936.

The previous prime is 80331887. The next prime is 80331949. The reversal of 80331909 is 90913308.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80331909 - 2⁵ = 80331877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80331909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80331949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1912644 + ... + 1912685.

It is an arithmetic number, because the mean of its divisors is an integer number (15301320).

Almost surely, 2^80331909 is an apocalyptic number.

It is an amenable number.

80331909 is a deficient number, since it is larger than the sum of its proper divisors (42078651).

80331909 is a wasteful number, since it uses less digits than its factorization.

80331909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825339.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 80331909 is about 8962.8069821903. The cubic root of 80331909 is about 431.4820126888.

The spelling of 80331909 in words is "eighty million, three hundred thirty-one thousand, nine hundred nine".